Aluminum plate made in integrated secondary smelting and flat rolling mills · Washington

Trentwood

Spokane Valley, WA · ~777 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.9
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Trentwood runs at 179% of its industry's injury rate - more dangerous than the typical Aluminum plate made in integrated secondary smelting and flat rolling mills workplace, earning a grade D.

Trentwood: 5.9 TCR = 179% of Aluminum plate made in integrated secondary smelting and flat rolling mills BLS 3.3 · 2y Form 300A (see methodology below)

Trentwood safety composite

Trentwood scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 21%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

F

30/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 5.92 per 100 workers

Safer than 21% of industry peers

DART rate
F 2.25 per 100 workers

Safer than 24% of industry peers

Fatalities
D 0

Safer than 51% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

Trentwood held a steady TCR band

Trentwood's TCR held near 0.2 from 6.0 in 2017 to 5.8 in 2018. Peak filing year was 2017 at 6.0 TCR. In 2018, DART was 0.38× this establishment's average TCR (severity share of cases).

2017=6.0 · 2018=5.8

OSHA ITA Form 300A scorecard

Establishment book 331315 · Spokane Valley, WA ABOVE-IND · MID

Grade D · TCR 5.9 · 179% of ind

  • DART 2.3 DART
  • RANK P21
  • PHOTO Jupiter Aluminum Cor…
  • BOOK 2y book
  • INJ 85 inj
  • SIZE ~777 FTE

Nearest TCR peer: Jupiter Aluminum Corporation (0.0 TCR gap)

Read with this employer → · Industry book → · Washington employers → · Look up another →

Trentwood in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Trentwood averages 5.9 TCR (179% of the Aluminum plate made in integrated secondary smelting and flat rolling mills BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Trentwood TCR series: 2017=6 · 2018=5.8 · BLS 3.3

Where Trentwood falls in its industry

70 Aluminum plate made in integra establishments

Safer than 21% of graded establishments in this industry, whose median TCR is 2.4.

More dangerous than peersSafer than peers
Trentwood (777 employees, TCR 5.9) among 29 same-industry peers, split at the industry median of 208 employees and a TCR of 2.4 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 05001,0001,500 0510152025 Average employees Total Case Rate Trentwood
Trentwood (777 employees, TCR 5.9) among 29 same-industry peers, split at the industry median of 208 employees and a TCR of 2.4

Trentwood has more employees than the Aluminum plate made in integrated second median and a higher injury rate than the industry's median TCR of 2.4. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2018 5.8 2.3 45 4 0
2017 6.0 3.4 40 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

331315 · WA · Spokane Valley

70 Aluminum plate made in integrated secondary smelting and flat rolling mills employers nationwide with a credible TCR · 10,147 rated employers in Washington with headcount on file · 176 employers in Spokane Valley, WA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Jupiter Aluminum Corporation 5.9 TCR
NAICS-TCR Granges Americas Inc - Salisbury 6.0 TCR
NAICS-TCR Skana Aluminum Comapny 6.0 TCR
NAICS-TCR Jupiter Aluminum Hammond 5.6 TCR
STATE-SIZE Terex Washington Moses Lake 777 FTE
STATE-SIZE Chelan County PUD (Overall Organization Totals) 778 FTE
STATE-SIZE MultiCare Valley Hospital 776 FTE
STATE-SIZE City of Kirkland 778 FTE
CITY-NEAR Kaiser Aluminum - Trentwood 851 FTE
CITY-NEAR Kaiser Trentwood 829 FTE
CITY-NEAR Amazon.com Services LLC - GEG2 772 FTE
CITY-NEAR MultiCare Valley Hospital (Company 22) 751 FTE
NAT-TCR Northwest Community Healthcare Medical Group at 500 5.9 TCR
NAT-TCR Sacramento Gateway (Camat) 5.9 TCR
NAT-TCR Skowhegan Consolidation Building 5.9 TCR
NAT-TCR Waugh Foods, Inc. 5.9 TCR
NAT-SIZE JAD Transportation 777 FTE
NAT-SIZE Ingram Micro Mobility Airtech 777 FTE
NAT-SIZE Amzl : Dlv1 777 FTE
NAT-SIZE VT Halter Marine 292 Pascagoula 777 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.